00568naa#a2200181#i#450# EN\\bibl\12927 20241012230929.6 1609-3178 20160920b2016####ek#y0engy0150####ca RUS RU Modern Ultrasonic Methods for Residual Wall Thickness Measurements of Metal Products under Protective Coatings Journal article Saint-Petersburg LLC SVEN 2016 4 с. Journal article local Syasko Vladimir Aleksandrovich Bulatov Сергей naukaru.ru